Berry will wear uniform number five, Cahill will wear uniform number 53 and Jackson will wear uniform number 27.
Baez, 22, batted .324 (91-for-281) with 14 doubles, two triples, 13 home runs, 61 RBI and 17 stolen bases in 70 games with Iowa this season. He turned in a .385 on-base percentage and .527 slugging percentage, good for a .912 OPS, and joins the Cubs riding a 16-game hitting streak. Baez made his major league debut for the Cubs last season and batted .169 (36-for-213) with six doubles, nine homers and 20 RBI in 52 games. He was Chicago's first round pick (ninth overall) in the 2011 Draft.
Berry, 30, signed a minor league deal with the Cubs on August 24 after spending the entire season with Boston's Triple-A Pawtucket affiliate, where he batted .228 (82-for-359) with a .329 on-base percentage and 35 steals in 106 games. He has spent parts of three major league seasons with Detroit (2012), Boston (2013) and Baltimore (2014), batting .266 (80-for-301) with a .337 on-base percentage in 117 games, and is a perfect 25-for-25 in stolen base attempts in the regular season and a perfect 5-for-5 in the postseason.
Cahill, 27, signed a minor league deal with the Cubs on August 18 and turned in five scoreless relief outings with Iowa, covering 7.2 innings. The righthander broke into the big leagues with Oakland in 2009 and was an 18-game winner a season later, going 18-8 with a 2.97 ERA (65 ER/196.2 IP) in 30 starts while earning A.L. All-Star honors along the way. Overall, Cahill won 10 or more games in four-straight seasons (2009-12) and is 64-72 with one save and a 4.16 ERA (493 ER/1,066.2 IP) in 201 major league outings (28 in relief) with Oakland (2009-11), Arizona (2012-14) and Atlanta (2015).
Jackson, 28, was acquired yesterday from Seattle, where he batted .272 (114-for-419) with 18 doubles, three triples, eight home runs, 38 RBI, 46 runs scored and 15 stolen bases in 107 games this season. Since making his major league debut with Detroit in 2010, Jackson has batted .273 (908-for-3,320) with 163 doubles, 47 triples, 54 home runs and 286 RBI in 831 career games, all of which have come in center field.
Ross, 38, is batting .190 (23-for-121) with one home run and seven RBI in 57 games with the Cubs this season. He owns a 2.73 catchers' ERA in his 44 games (35 starts) behind the plate.
Wada, 34, returns to the Cubs after going 1-1 with a 3.73 ERA (13 ER/31.1 IP) in seven starts earlier this season. With Iowa, Wada went 4-5 with a 3.95 ERA (38 ER/86.2 IP) in 16 starts this season. Wada made his big league debut with the Cubs last year and has combined to go 5-5 with a 3.40 ERA (38 ER/100.2 IP) in 20 major league starts the last two years.
Russell, 29, went 0-2 with one save and a 5.29 ERA (20 ER/34.0 IP) in 49 relief appearances with the Cubs this season.
Soriano, 35, went 2-0 with a 6.35 ERA (4 ER/5.2 IP) in six relief appearances for the Cubs this season.